diff options
Diffstat (limited to 'external/unbound/util/log.c')
| -rw-r--r-- | external/unbound/util/log.c | 493 |
1 files changed, 0 insertions, 493 deletions
diff --git a/external/unbound/util/log.c b/external/unbound/util/log.c deleted file mode 100644 index 439541a7c..000000000 --- a/external/unbound/util/log.c +++ /dev/null @@ -1,493 +0,0 @@ -/* - * util/log.c - implementation of the log code - * - * Copyright (c) 2007, NLnet Labs. All rights reserved. - * - * This software is open source. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * Neither the name of the NLNET LABS nor the names of its contributors may - * be used to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -/** - * \file - * Implementation of log.h. - */ - -#include "config.h" -#include "util/log.h" -#include "util/locks.h" -#include "sldns/sbuffer.h" -#include <stdarg.h> -#ifdef HAVE_TIME_H -#include <time.h> -#endif -#ifdef HAVE_SYSLOG_H -# include <syslog.h> -#else -/**define LOG_ constants */ -# define LOG_CRIT 2 -# define LOG_ERR 3 -# define LOG_WARNING 4 -# define LOG_NOTICE 5 -# define LOG_INFO 6 -# define LOG_DEBUG 7 -#endif -#ifdef UB_ON_WINDOWS -# include "winrc/win_svc.h" -#endif - -/* default verbosity */ -enum verbosity_value verbosity = 0; -/** the file logged to. */ -static FILE* logfile = 0; -/** if key has been created */ -static int key_created = 0; -/** pthread key for thread ids in logfile */ -static ub_thread_key_type logkey; -#ifndef THREADS_DISABLED -/** pthread mutex to protect FILE* */ -static lock_quick_type log_lock; -#endif -/** the identity of this executable/process */ -static const char* ident="unbound"; -#if defined(HAVE_SYSLOG_H) || defined(UB_ON_WINDOWS) -/** are we using syslog(3) to log to */ -static int logging_to_syslog = 0; -#endif /* HAVE_SYSLOG_H */ -/** time to print in log, if NULL, use time(2) */ -static time_t* log_now = NULL; -/** print time in UTC or in secondsfrom1970 */ -static int log_time_asc = 0; - -void -log_init(const char* filename, int use_syslog, const char* chrootdir) -{ - FILE *f; - if(!key_created) { - key_created = 1; - ub_thread_key_create(&logkey, NULL); - lock_quick_init(&log_lock); - } - lock_quick_lock(&log_lock); - if(logfile -#if defined(HAVE_SYSLOG_H) || defined(UB_ON_WINDOWS) - || logging_to_syslog -#endif - ) { - lock_quick_unlock(&log_lock); /* verbose() needs the lock */ - verbose(VERB_QUERY, "switching log to %s", - use_syslog?"syslog":(filename&&filename[0]?filename:"stderr")); - lock_quick_lock(&log_lock); - } - if(logfile && logfile != stderr) - fclose(logfile); -#ifdef HAVE_SYSLOG_H - if(logging_to_syslog) { - closelog(); - logging_to_syslog = 0; - } - if(use_syslog) { - /* do not delay opening until first write, because we may - * chroot and no longer be able to access dev/log and so on */ - openlog(ident, LOG_NDELAY, LOG_DAEMON); - logging_to_syslog = 1; - lock_quick_unlock(&log_lock); - return; - } -#elif defined(UB_ON_WINDOWS) - if(logging_to_syslog) { - logging_to_syslog = 0; - } - if(use_syslog) { - logging_to_syslog = 1; - lock_quick_unlock(&log_lock); - return; - } -#endif /* HAVE_SYSLOG_H */ - if(!filename || !filename[0]) { - logfile = stderr; - lock_quick_unlock(&log_lock); - return; - } - /* open the file for logging */ - if(chrootdir && chrootdir[0] && strncmp(filename, chrootdir, - strlen(chrootdir)) == 0) - filename += strlen(chrootdir); - f = fopen(filename, "a"); - if(!f) { - lock_quick_unlock(&log_lock); - log_err("Could not open logfile %s: %s", filename, - strerror(errno)); - return; - } -#ifndef UB_ON_WINDOWS - /* line buffering does not work on windows */ - setvbuf(f, NULL, (int)_IOLBF, 0); -#endif - logfile = f; - lock_quick_unlock(&log_lock); -} - -void log_file(FILE *f) -{ - lock_quick_lock(&log_lock); - logfile = f; - lock_quick_unlock(&log_lock); -} - -void log_thread_set(int* num) -{ - ub_thread_key_set(logkey, num); -} - -int log_thread_get(void) -{ - unsigned int* tid; - if(!key_created) return 0; - tid = (unsigned int*)ub_thread_key_get(logkey); - return (int)(tid?*tid:0); -} - -void log_ident_set(const char* id) -{ - ident = id; -} - -void log_set_time(time_t* t) -{ - log_now = t; -} - -void log_set_time_asc(int use_asc) -{ - log_time_asc = use_asc; -} - -void -log_vmsg(int pri, const char* type, - const char *format, va_list args) -{ - char message[MAXSYSLOGMSGLEN]; - unsigned int* tid = (unsigned int*)ub_thread_key_get(logkey); - time_t now; -#if defined(HAVE_STRFTIME) && defined(HAVE_LOCALTIME_R) - char tmbuf[32]; - struct tm tm; -#elif defined(UB_ON_WINDOWS) - char tmbuf[128], dtbuf[128]; -#endif - (void)pri; - vsnprintf(message, sizeof(message), format, args); -#ifdef HAVE_SYSLOG_H - if(logging_to_syslog) { - syslog(pri, "[%d:%x] %s: %s", - (int)getpid(), tid?*tid:0, type, message); - return; - } -#elif defined(UB_ON_WINDOWS) - if(logging_to_syslog) { - char m[32768]; - HANDLE* s; - LPCTSTR str = m; - DWORD tp = MSG_GENERIC_ERR; - WORD wt = EVENTLOG_ERROR_TYPE; - if(strcmp(type, "info") == 0) { - tp=MSG_GENERIC_INFO; - wt=EVENTLOG_INFORMATION_TYPE; - } else if(strcmp(type, "warning") == 0) { - tp=MSG_GENERIC_WARN; - wt=EVENTLOG_WARNING_TYPE; - } else if(strcmp(type, "notice") == 0 - || strcmp(type, "debug") == 0) { - tp=MSG_GENERIC_SUCCESS; - wt=EVENTLOG_SUCCESS; - } - snprintf(m, sizeof(m), "[%s:%x] %s: %s", - ident, tid?*tid:0, type, message); - s = RegisterEventSource(NULL, SERVICE_NAME); - if(!s) return; - ReportEvent(s, wt, 0, tp, NULL, 1, 0, &str, NULL); - DeregisterEventSource(s); - return; - } -#endif /* HAVE_SYSLOG_H */ - lock_quick_lock(&log_lock); - if(!logfile) { - lock_quick_unlock(&log_lock); - return; - } - if(log_now) - now = (time_t)*log_now; - else now = (time_t)time(NULL); -#if defined(HAVE_STRFTIME) && defined(HAVE_LOCALTIME_R) - if(log_time_asc && strftime(tmbuf, sizeof(tmbuf), "%b %d %H:%M:%S", - localtime_r(&now, &tm))%(sizeof(tmbuf)) != 0) { - /* %sizeof buf!=0 because old strftime returned max on error */ - fprintf(logfile, "%s %s[%d:%x] %s: %s\n", tmbuf, - ident, (int)getpid(), tid?*tid:0, type, message); - } else -#elif defined(UB_ON_WINDOWS) - if(log_time_asc && GetTimeFormat(LOCALE_USER_DEFAULT, 0, NULL, NULL, - tmbuf, sizeof(tmbuf)) && GetDateFormat(LOCALE_USER_DEFAULT, 0, - NULL, NULL, dtbuf, sizeof(dtbuf))) { - fprintf(logfile, "%s %s %s[%d:%x] %s: %s\n", dtbuf, tmbuf, - ident, (int)getpid(), tid?*tid:0, type, message); - } else -#endif - fprintf(logfile, "[" ARG_LL "d] %s[%d:%x] %s: %s\n", (long long)now, - ident, (int)getpid(), tid?*tid:0, type, message); -#ifdef UB_ON_WINDOWS - /* line buffering does not work on windows */ - fflush(logfile); -#endif - lock_quick_unlock(&log_lock); -} - -/** - * implementation of log_info - * @param format: format string printf-style. - */ -void -log_info(const char *format, ...) -{ - va_list args; - va_start(args, format); - log_vmsg(LOG_INFO, "info", format, args); - va_end(args); -} - -/** - * implementation of log_err - * @param format: format string printf-style. - */ -void -log_err(const char *format, ...) -{ - va_list args; - va_start(args, format); - log_vmsg(LOG_ERR, "error", format, args); - va_end(args); -} - -/** - * implementation of log_warn - * @param format: format string printf-style. - */ -void -log_warn(const char *format, ...) -{ - va_list args; - va_start(args, format); - log_vmsg(LOG_WARNING, "warning", format, args); - va_end(args); -} - -/** - * implementation of fatal_exit - * @param format: format string printf-style. - */ -void -fatal_exit(const char *format, ...) -{ - va_list args; - va_start(args, format); - log_vmsg(LOG_CRIT, "fatal error", format, args); - va_end(args); - exit(1); -} - -/** - * implementation of verbose - * @param level: verbose level for the message. - * @param format: format string printf-style. - */ -void -verbose(enum verbosity_value level, const char* format, ...) -{ - va_list args; - va_start(args, format); - if(verbosity >= level) { - if(level == VERB_OPS) - log_vmsg(LOG_NOTICE, "notice", format, args); - else if(level == VERB_DETAIL) - log_vmsg(LOG_INFO, "info", format, args); - else log_vmsg(LOG_DEBUG, "debug", format, args); - } - va_end(args); -} - -/** log hex data */ -static void -log_hex_f(enum verbosity_value v, const char* msg, void* data, size_t length) -{ - size_t i, j; - uint8_t* data8 = (uint8_t*)data; - const char* hexchar = "0123456789ABCDEF"; - char buf[1024+1]; /* alloc blocksize hex chars + \0 */ - const size_t blocksize = 512; - size_t len; - - if(length == 0) { - verbose(v, "%s[%u]", msg, (unsigned)length); - return; - } - - for(i=0; i<length; i+=blocksize/2) { - len = blocksize/2; - if(length - i < blocksize/2) - len = length - i; - for(j=0; j<len; j++) { - buf[j*2] = hexchar[ data8[i+j] >> 4 ]; - buf[j*2 + 1] = hexchar[ data8[i+j] & 0xF ]; - } - buf[len*2] = 0; - verbose(v, "%s[%u:%u] %.*s", msg, (unsigned)length, - (unsigned)i, (int)len*2, buf); - } -} - -void -log_hex(const char* msg, void* data, size_t length) -{ - log_hex_f(verbosity, msg, data, length); -} - -void log_buf(enum verbosity_value level, const char* msg, sldns_buffer* buf) -{ - if(verbosity < level) - return; - log_hex_f(level, msg, sldns_buffer_begin(buf), sldns_buffer_limit(buf)); -} - -#ifdef USE_WINSOCK -char* wsa_strerror(DWORD err) -{ - static char unknown[32]; - - switch(err) { - case WSA_INVALID_HANDLE: return "Specified event object handle is invalid."; - case WSA_NOT_ENOUGH_MEMORY: return "Insufficient memory available."; - case WSA_INVALID_PARAMETER: return "One or more parameters are invalid."; - case WSA_OPERATION_ABORTED: return "Overlapped operation aborted."; - case WSA_IO_INCOMPLETE: return "Overlapped I/O event object not in signaled state."; - case WSA_IO_PENDING: return "Overlapped operations will complete later."; - case WSAEINTR: return "Interrupted function call."; - case WSAEBADF: return "File handle is not valid."; - case WSAEACCES: return "Permission denied."; - case WSAEFAULT: return "Bad address."; - case WSAEINVAL: return "Invalid argument."; - case WSAEMFILE: return "Too many open files."; - case WSAEWOULDBLOCK: return "Resource temporarily unavailable."; - case WSAEINPROGRESS: return "Operation now in progress."; - case WSAEALREADY: return "Operation already in progress."; - case WSAENOTSOCK: return "Socket operation on nonsocket."; - case WSAEDESTADDRREQ: return "Destination address required."; - case WSAEMSGSIZE: return "Message too long."; - case WSAEPROTOTYPE: return "Protocol wrong type for socket."; - case WSAENOPROTOOPT: return "Bad protocol option."; - case WSAEPROTONOSUPPORT: return "Protocol not supported."; - case WSAESOCKTNOSUPPORT: return "Socket type not supported."; - case WSAEOPNOTSUPP: return "Operation not supported."; - case WSAEPFNOSUPPORT: return "Protocol family not supported."; - case WSAEAFNOSUPPORT: return "Address family not supported by protocol family."; - case WSAEADDRINUSE: return "Address already in use."; - case WSAEADDRNOTAVAIL: return "Cannot assign requested address."; - case WSAENETDOWN: return "Network is down."; - case WSAENETUNREACH: return "Network is unreachable."; - case WSAENETRESET: return "Network dropped connection on reset."; - case WSAECONNABORTED: return "Software caused connection abort."; - case WSAECONNRESET: return "Connection reset by peer."; - case WSAENOBUFS: return "No buffer space available."; - case WSAEISCONN: return "Socket is already connected."; - case WSAENOTCONN: return "Socket is not connected."; - case WSAESHUTDOWN: return "Cannot send after socket shutdown."; - case WSAETOOMANYREFS: return "Too many references."; - case WSAETIMEDOUT: return "Connection timed out."; - case WSAECONNREFUSED: return "Connection refused."; - case WSAELOOP: return "Cannot translate name."; - case WSAENAMETOOLONG: return "Name too long."; - case WSAEHOSTDOWN: return "Host is down."; - case WSAEHOSTUNREACH: return "No route to host."; - case WSAENOTEMPTY: return "Directory not empty."; - case WSAEPROCLIM: return "Too many processes."; - case WSAEUSERS: return "User quota exceeded."; - case WSAEDQUOT: return "Disk quota exceeded."; - case WSAESTALE: return "Stale file handle reference."; - case WSAEREMOTE: return "Item is remote."; - case WSASYSNOTREADY: return "Network subsystem is unavailable."; - case WSAVERNOTSUPPORTED: return "Winsock.dll version out of range."; - case WSANOTINITIALISED: return "Successful WSAStartup not yet performed."; - case WSAEDISCON: return "Graceful shutdown in progress."; - case WSAENOMORE: return "No more results."; - case WSAECANCELLED: return "Call has been canceled."; - case WSAEINVALIDPROCTABLE: return "Procedure call table is invalid."; - case WSAEINVALIDPROVIDER: return "Service provider is invalid."; - case WSAEPROVIDERFAILEDINIT: return "Service provider failed to initialize."; - case WSASYSCALLFAILURE: return "System call failure."; - case WSASERVICE_NOT_FOUND: return "Service not found."; - case WSATYPE_NOT_FOUND: return "Class type not found."; - case WSA_E_NO_MORE: return "No more results."; - case WSA_E_CANCELLED: return "Call was canceled."; - case WSAEREFUSED: return "Database query was refused."; - case WSAHOST_NOT_FOUND: return "Host not found."; - case WSATRY_AGAIN: return "Nonauthoritative host not found."; - case WSANO_RECOVERY: return "This is a nonrecoverable error."; - case WSANO_DATA: return "Valid name, no data record of requested type."; - case WSA_QOS_RECEIVERS: return "QOS receivers."; - case WSA_QOS_SENDERS: return "QOS senders."; - case WSA_QOS_NO_SENDERS: return "No QOS senders."; - case WSA_QOS_NO_RECEIVERS: return "QOS no receivers."; - case WSA_QOS_REQUEST_CONFIRMED: return "QOS request confirmed."; - case WSA_QOS_ADMISSION_FAILURE: return "QOS admission error."; - case WSA_QOS_POLICY_FAILURE: return "QOS policy failure."; - case WSA_QOS_BAD_STYLE: return "QOS bad style."; - case WSA_QOS_BAD_OBJECT: return "QOS bad object."; - case WSA_QOS_TRAFFIC_CTRL_ERROR: return "QOS traffic control error."; - case WSA_QOS_GENERIC_ERROR: return "QOS generic error."; - case WSA_QOS_ESERVICETYPE: return "QOS service type error."; - case WSA_QOS_EFLOWSPEC: return "QOS flowspec error."; - case WSA_QOS_EPROVSPECBUF: return "Invalid QOS provider buffer."; - case WSA_QOS_EFILTERSTYLE: return "Invalid QOS filter style."; - case WSA_QOS_EFILTERTYPE: return "Invalid QOS filter type."; - case WSA_QOS_EFILTERCOUNT: return "Incorrect QOS filter count."; - case WSA_QOS_EOBJLENGTH: return "Invalid QOS object length."; - case WSA_QOS_EFLOWCOUNT: return "Incorrect QOS flow count."; - /*case WSA_QOS_EUNKOWNPSOBJ: return "Unrecognized QOS object.";*/ - case WSA_QOS_EPOLICYOBJ: return "Invalid QOS policy object."; - case WSA_QOS_EFLOWDESC: return "Invalid QOS flow descriptor."; - case WSA_QOS_EPSFLOWSPEC: return "Invalid QOS provider-specific flowspec."; - case WSA_QOS_EPSFILTERSPEC: return "Invalid QOS provider-specific filterspec."; - case WSA_QOS_ESDMODEOBJ: return "Invalid QOS shape discard mode object."; - case WSA_QOS_ESHAPERATEOBJ: return "Invalid QOS shaping rate object."; - case WSA_QOS_RESERVED_PETYPE: return "Reserved policy QOS element type."; - default: - snprintf(unknown, sizeof(unknown), - "unknown WSA error code %d", (int)err); - return unknown; - } -} -#endif /* USE_WINSOCK */ |